Emergy analysis for comprehensive utilization system of oil shale

Abstract

Abstract: For a comprehensive assessment of environmental sustainability of comprehensive utilization system of oil shale, taking 300×10⁴t/a oil shale comprehensive utilization project in Huadian of Jilin Province as an example, the evaluation index system is built based on emergy analysis theory.It is revealed that although emergy transformity of shale oil(Tr)is higher than typical crude oil's, but the system has less impact on environment because of low environmental loading ration(ELR) and emergy sustainability index(ESI) is quite higher means system has energy and development potential.Compared with Huadian-type retorting system, the boiler ash used in building materials not only can increase by-products but also improve emergy yield ratio(EYR) and the other emergy indices.

Key words: oil shale, comprehensive utilization system, emergy analysis, environment, sustainability

摘要： 为了综合评价油页岩综合利用系统的环境可持续性,以吉林桦甸处理量为300×10⁴t/a油页岩综合利用项目为例,应用能值分析理论,构建该系统的能值评价指标体系。研究结果表明:虽然页岩油的能值转化率(Tr)要高于传统原油,但油页岩综合利用系统环境负载率(ELR)低,对环境影响小,系统可持续发展指数(ESI)较高,系统富有活力和发展潜力;与桦甸式干馏工艺相比,将锅炉灰渣用于建材,不仅能增加系统副产物,提高能值产率(EYR),还能有效地改善其他各项能值指标。

关键词: 油页岩, 综合利用系统, 能值分析, 环境, 可持续性

BAI Jingru, BAI Na, WANG Qing. Emergy analysis for comprehensive utilization system of oil shale[J]. Chemical Industry and Engineering Progree, 2015, 34(s1): 85-89.

柏静儒, 白娜, 王擎. 油页岩综合利用系统的能值分析[J]. 化工进展, 2015, 34(s1): 85-89.

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